Take the guesswork out of where to line up your throw line with an easy to use tool
Measure your throw line the same distance no matter where your board is set up
Versatile measurements can be used with either steel tip or soft tip dart games
Precision calibration ensures that the distance is regulation
Compact size allow easy transport in bags and dart cases
Take all the guesswork out of finding the perfect distance for your throw line with the Viper Pro Line Marker Tape. This convenient tool allows you to mark precisely where your throw line should be in relation to the front of your board. Engineered measurements ensure that your throw line is the correct regulation distance, ready for tournament play! The Pro Line tape is easy to use and requires no tools, simply attach the end of the tape to your board with a dart, find the distance you need and mark it! The tape then folds back into its case for easy storage to any event!